This paper deals with stand-alone type fuel cell hybrid generation system which contains a secondary cell. The stand-alone type fuel cell hybrid generating system consists of a full bridge converter and boost converter with secondary cell. Additionally, the system includes BOP(Balance of Plant) for running the cell and a reformer in order to stably supply a hydrogen. Also, this paper proposes operation strategies depending on the reformer, BOP and characteristics of fuel cell which has a changing output voltage depending on a load and a slow response at the beginning. The simulation and experimental results are shown to verify that the implementation of fuel cell-battery hybrid system is possible.

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